51233292 has 72 divisors (see below), whose sum is σ = 143462592. Its totient is φ = 15285600.

The previous prime is 51233279. The next prime is 51233309. The reversal of 51233292 is 29233215.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25567 + ... + 27497.

It is an arithmetic number, because the mean of its divisors is an integer number (1992536).

Almost surely, 2^51233292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51233292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71731296).

51233292 is an abundant number, since it is smaller than the sum of its proper divisors (92229300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51233292 is a wasteful number, since it uses less digits than its factorization.

51233292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019 (or 2014 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 51233292 is about 7157.7434991763. The cubic root of 51233292 is about 371.4075724674.

The spelling of 51233292 in words is "fifty-one million, two hundred thirty-three thousand, two hundred ninety-two".